[AT] new to list

John Grant jfgrant at zoomon.net
Thu Nov 9 18:06:19 PST 2006


Paul, not to beat a dead horse but what Dean say's is the "only way to go" 
IMHO. Listen very closely, "It's the carburetor!" Do what you can afford but 
sending it to Robert's is THE way to eliminate the problem!  John
----- Original Message ----- 
From: "Dean VP" <deanvp at att.net>
To: "'Antique tractor email discussion group'" 
<at at lists.antique-tractor.com>
Sent: Thursday, November 09, 2006 8:19 PM
Subject: RE: [AT] new to list


> Paul:
>
> If he found some passages that were plugged, there probably is at least 
> one
> that is still plugged. Boiling the carburetor typically will not get these
> cleaned out. The right sized drill in all passages is required. Some are
> hidden. Sometimes with the lack of the correct drill sizes and lengths
> running wire through all the passages may get the crud to loosen up. But 
> the
> passage size must be restored to original. I guess there is a better than
> 90% chance there is at least one passage still plugged. Compressed air
> probably won't get it either.
>
> Do you have a good exploded drawing of the innards of the carburetor and
> where all the passages run?  There may be one or more that is adequately
> hidden that is being missed. Since this has been this way for a long time 
> it
> may be really corroded and stuck.  I have overhauled many JD carburetors
> successfully and the symptoms you describe are almost always (90% or more) 
> a
> plugged passage somewhere.
>
> Roberts Carburetor Repair in Spencer, IA sells a couple videos, repair 
> parts
> and repair tools such as the correct sized long drill bits for JD 
> Carburetor
> repair. These may be of value. They cover the hidden passages in the 
> video.
>
> http://www.robertscarbrepair.com/
>
> I recommend them highly. They are a professional shop, I have visited 
> twice,
> and unlike most other carburetor repair shops, they test the carburetor 
> for
> proper performance on a live engine to ensure "to specification" operation
> before they send it back. Unfortunately, they are so highly respected 
> within
> the JD community that their backlog is huge and repair lead times are way
> out there. The video's may lead you to the plugged passage. Even a phone
> call to Robert Beaver might cause him to point you in the right direction.
> He is most helpful on the phone.
>
> PS: I would not recommend any carburetor repair shop that does not test 
> the
> carburetor on a live engine prior to sending it back. I have no connection
> to Roberts at all. Just a very satisfied customer. If you could find a 
> known
> good carburetor to temporarily try would probably be well worth the 
> effort.
>
>
> Dean A. Van Peursem
> Snohomish, WA 98290
>
> "Experience is a series of non-fatal mistakes."
>
> www.deerelegacy.com
>
> http://members.cox.net/classicweb/email.htm
>
>
> -----Original Message-----
> From: at-bounces at lists.antique-tractor.com
> [mailto:at-bounces at lists.antique-tractor.com] On Behalf Of Paul Waugh
> Sent: Thursday, November 09, 2006 11:02 AM
> To: 'Antique tractor email discussion group'
> Subject: RE: [AT] new to list
>
> Howdy
> I had the carb 'boiled' by a fellow who does this for extra cash, he
> said some of the airway were plugged, but he fixed that (supposedly) ..
> the gas runs out almost 1/2 inch past the end of the line, indicating to
> me no restriction from tank or sediment bowl, does this sound right, I
> mean it runs a good healthy stream.
> TX Paul
>
> -----Original Message-----
> From: at-bounces at lists.antique-tractor.com
> [mailto:at-bounces at lists.antique-tractor.com] On Behalf Of John Kennedy
> Sent: Thursday, November 09, 2006 11:50 AM
> To: at at lists.antique-tractor.com
> Subject: RE: [AT] new to list
>
> Paul,
>   Try adjusting the main jet all the way in and all the way out if you
> have
> little or no change then the main jet is plugged.  It real hard to get
> these
> things clean even with today's cleaners.
> I had the same problem on one of my tractors it had to run on half choke
> but
> after a good working in the fields it seems to run OK now. Just lucky on
>
> that one I guess.
> I would take the crab apart and use a blow gun with good pressure and
> blow
> out every thing.
>
> John K.
>
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